China Good quality High Temperature Alumina Ceramic Lined CZPT with Hot selling

Product Description

CZPT industrial ceramics are widely used in power, coal, metallurgy, chemical industry and other industries. As an CZPT material and corrosive medium.
Qijing Industrial Ceramics is an ideal wear-resistant and corrosion-resistant pipeline, used to transport sand, coal, ash and aluminum liquid, and is suitable for different high-temperature pipeline inner diameters.

In addition to the ash removal, slag discharge pipe, powder feeding and powder returning pipes of coal-fired power plants, ceramic-lined wear-resistant steel pipes are also widely used in the following industries:
1. Mine:
1. 1Coal water slurry, coal washing slime, mine filler, pulverized coal in the coal industry
1. 2Metal mines: pipeline transportation of concentrates and tailings.
2.1 Metallurgy:
2. 2The blast CZPT coal injection and slag conveying pipelines in iron and steel plants
2.3 Optimal pipelines for steel-making conveying ferroalloys and refining outside the furnace.
3. Cement plant.
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Ceramic pipe advantages:

  1. High hardness
  2. Superior abrasion  
  3. Corrosion and chemical resistance
  4. Light weight
  5. Low maintenance cost: Super wear-resistance reduce the maintenance frequency and also the maintenance cost.
  6. Good fluidity : Smooth surface ensure the free flow of material without  blocking


pipe sizes :

Product ID(mm) OD(mm) Thickness(mm) Length(mm) R(mm) Degree
Straight Tube 76 106 15 150-250 / /
Straight Tube 100 140 20 305 / /
Straight Tube 150 185 17.5 150-250 / /
Straight Tube 152 182 15 150-250 / /
Straight Tube 200 240 20 305 / /
Bend 76 106 15 / 400 7.5
Bend 101 131 15 / 500 5
Bend 150 185 17.5 / 1500 3
Bend 151 181 15 / 750 7.5
Qijing Ceramic pipe sizes range : 10~500 mm



alumina content
92 95 97 99
Al2O3(%) ≥92 ≥95 ≥97 ≥99
Fe2O3(%) ≤0.2 ≤0.15 ≤0.15 ≤0.1
Hardness ≥8 ≥9 ≥9 ≥9
Porosity(%) ≤0.02 ≤0.02 ≤0.02 ≤0.01
Density(g/cm3) ≥3.60 ≥3.65 ≥3.75 ≥3.9
Length(mm) ≤500 ≤500 ≤500 ≤500
MAX  ID(mm) ≤620 ≤620 ≤620 ≤620
1) Thermocouple protections;
2) Heat treatment CZPT and toughened furnace;
3) Inner liner tube and heating tube in electric furnace;  
4) Some are used in furnaces.

Transport and installation precautions:

Matters needing attention for transportation and installation of ceramic pipe
1. The ceramic CZPT pipe has high hardness and good toughness, but it should be put gently in the process of transportation and installation to avoid serious collision, especially to avoid direct contact with metal instruments or impact on the ceramic layer on the end surface.

2. The qijing  bending pipe is installed with directivity. When the bending pipe is installed, the direction indicated by the arrow on the surface of the bending pipe should be consistent with the flow direction of the conveying medium.

3. When installing the pipe, the pipe should be aligned with the center line and level should be adjusted to make sure that both ends meet accurately.The displacement of both ends should be controlled within 1.0mm.

4. When the flexible pipe joint is used to connect and install the pipe, the inserted lengths of both ends of the flexible pipe joint shall be adjusted symmetrically.Since the thermal expansion coefficient of the CZPT pipe is about 1/3 of that of steel, the expansion clearance can be reduced by 3-5mm.

5. When using flange connection, the flange end shall be flush with the end of the CZPT pipe.

6. Due to the excellent welding performance of the CZPT pipe, the pipe connection can be conducted by welding. However, when welding, 45o-60o “V” type slope Angle is 2-4mm and gap is 0.8-1.2mm.



Size Order
Weight 500KG-
Packaging Details
The normal package is wooden box(Size: L*W*H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use pe film for packing or pack it according to customers special request.



Size Order
Weight 1.2 T-
Packaging Details
The normal package is wooden box(Size: L*W*H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use pe film for packing or pack it according to customers special request.

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 15 days if the CZPT sizes are in stock. or it is 25 days if the CZPT sizes are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the stock sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: For new customers, 50% T/T in advance. For  regular customers, 30% T/T in advance ,balance after received the B/L copy

What is a pulley?

Pulleys are shafts or wheels on a shaft that support the movement and change of direction of a taut cable. The pulley also transfers power from the shaft to the cable. A simple pulley is used to raise the school flag. Read on to learn about the basic types of pulleys. We also covered the use of pulleys in everyday life. Read on to learn more about this important mechanical part.

composite pulley

A composite pulley is a mechanical system where 2 or more pulleys and ropes are connected together. It reduces the force required to lift the load because the force is divided by the distance of each pulley. Distance is equal to the mass of the object. Composite pulleys are a common mechanical system on sailboats. Composite pulleys can be used to lift heavy equipment such as sails.
The compound pulley unit consists of 2 pulleys, 1 fixed and the other movable. The fixed pulley is fixed overhead, while the movable pulley is connected to the load by a chain. The lift applies force to the other end of the rope. Anchor points are attached to fixed joists, ceiling joists or sturdy branches. The chain should be long enough to support the load during lifting.
Composite pulleys can be made from a variety of materials. Some are fixed and remain fixed. Others are detachable. The composite pulley combines the advantages of both types, making it a versatile tool. In the table below, these 3 types of pulleys are compared. It’s easy to see which 1 is best for your needs. The right choice depends on your specific needs and budget.
The compound pulley system consists of 2 fixed pulleys and 1 movable pulley. The compound pulley system multiplies the force by a factor of 2. The compound pulley system is particularly suitable for heavy loads and is ideal for construction sites. Workers apply less than half the load force on the composite pulley, significantly reducing the force required. This is a major benefit for many people.

Fixed pulley

Fixed pulleys are fixed gears of fixed length that are mounted on solid objects. There are many different types of pulley systems. Some cooperate with each other, but not “fixed”.
Fixed pulleys can be used for a variety of purposes. One application is to lift small objects. They have a one-to-1 mechanical advantage. Often, a single pulley can lift small loads. The force required to lift a single fixed pulley remains the same. They are usually used to lift lighter objects. They can even be attached to buckets used to draw water from wells.
While single fixed pulleys have desirable mechanical advantages, they are not suitable for force multipliers. Because their mechanical advantage diminishes over time, they are not effective force multipliers. They are used to redirect work so that it can be applied in the most convenient direction. This mechanical advantage is the main advantage of fixed pulleys and the most common way of moving objects. They have several benefits, including the ability to increase the speed of moving objects.
Another application for fixed pulleys is lifting supplies. A scaffold can weigh more than 1 and can be directly hoisted. In order to facilitate the transportation of materials, fixed pulleys are usually installed on the top of the scaffolding on construction sites. Then thread the rope through the edge of the groove that holds the pulley. The fixed pulley exerts the same force on the pull side as on the push side. The same is true for moving objects with fixed pulleys.

moving pulley

A movable pulley is a device whose part is fixed to another object, usually a rod or beam. The movable part moves with the load, making the load feel lighter. This is a useful tool for those who need to carry heavy items such as large bags. The advantages of moving pulleys are many. Here are some of them. Read on to learn more about them.
One of the most common uses of movable pulley systems is climbing high objects. Climbers act as pulley loads and pull ropes to lift objects. Eventually, when the traction stops, the climber descends. However, it is still a useful tool in other situations. The movable pulley system can help you climb the tallest objects or lift them to level surfaces.
Another example of movable pulleys is in industry. Depending on the load, movable pulleys make handling and moving loads easier. You can use them in a variety of applications in manufacturing and industry, including cleaning. For example, the American flag is raised and lowered every day. Removable pulleys are a handy tool when buildings need cleaning.
If you’re not sure whether a task requires a pulley, a zipline might be a good option. Connect the 2 ends of the rope and the pulley will move along the rope, then attach the rope to the metal cable. The load is the person holding the pulley, and the force comes from the attachment on the other end of the rope. There are 2 types of live pulleys: simple pulleys with just 1 wheel and live pulleys with many ropes attached.

School flag raised with simple pulleys

How is the school flag raised? It is pulled up by a rope attached to a pulley at the top of the pole. When the rope is pulled, the pulley turns, raising the flag. A pulley is a simple mechanism that helps people move heavier objects with ease. The rope must be securely attached to the pulley to keep the flag stable.
A simple pulley is a spinning wheel with grooves on 1 side and ropes on the other. The rope can be any length and the wheels can be any size. The rope has to go through the groove and the load is attached to the other end of the rope. Simple pulleys are pulleys with fixed shafts. An example is the wheel on a school flagpole.
A simple pulley system consists of a primary pole, a secondary pole and an outer member. The primary flagpole is connected to the track by a detour, while the secondary flagpole is connected to the track by a pipe. There is a groove on 1 side of the track, which passes through the inner cavity of the flagpole. An open track at the upper end of the track connects the 2 parts of the pulley.
A simple pulley can be used for many purposes. This is a useful machine that can be used to raise the flag. Among other things, it can be used in clothing lines, bird feeders, and even roofers. And, of course, you can use the pulley to raise the flag. Its versatility makes it an essential part of school decor.

cast iron pulley

If you are looking for pulleys for your machine, you may come across cast iron pulleys. They are usually cheap and available in a variety of sizes. The rim is held in place by a mesh attached to a central boss. The arms and spokes can be straight or curved, but most are oval. There are many uses for this type of pulley.
You might wonder why the arms of cast iron pulleys are so curved. Bent arms tend to yield rather than break. Cast iron pulleys are usually round with a slight bump on the rim, which helps keep the belt centered on the rim as it moves. On a 300mm diameter pulley, the bumps may be as small as 9mm.

China Good quality High Temperature Alumina Ceramic Lined CZPT     with Hot sellingChina Good quality High Temperature Alumina Ceramic Lined CZPT     with Hot selling